Which organisms have a hydrostatic skeleton with a soft body wall?
a. sea anemones
b. spiders
c. lobsters
d. crabs
e. cheetahs
a
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Answer the following statements true (T) or false (F)
1. Plant behavior is defined as response to stimuli. 2. Brassinosteroids produced by plants are closely related chemically to animal steroid hormones. 3. One reason auxins are called the "master plant hormones" is because they mostly work apart from other hormones. 4. One reason magnesium is important to plants is that it is part of the chlorophyll molecule.
In the human pulmonary circuit, blood passes through which of the following?
a. liver b. limbs c. lungs d. digestive organs e. brain
What type of DNA damage that involves disruption of single chemical bonds, sometimes causing base changes
a) Point lesion b) Main chain scission c) Atrophy d) Cross linking
The excess fluid from the cardiovascular system that enters the lymphatic system is called ________.
A. plasma B. blood C. urine D. lymph E. tissue fluid